CHS 219x10.3 AHMSA · Weight & Dimensions

AHMSA, cold-formed sections · Circular Hollow Section

Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.

Also known as: Caño estructural redondo (Argentina)

The CHS 219x10.3 steel profile weighs 53.0 kg/m (35.62 lb/ft). Cross-sectional area: 6,753.199 mm². Moment of inertia Ix = 3,685.709 cm⁴, Iy = 3,685.709 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	10.3 mm	0.41 in
Diameter (d)	219 mm	8.62 in
Weight	53.0 kg/m	35.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,753.2 mm²	10.467 in²
Moment of inertia (Ix)	3,685.71 cm⁴	88.55 in⁴
Moment of inertia (Iy)	3,685.71 cm⁴	88.55 in⁴
Elastic section modulus (Sx)	336.59 cm³	20.540 in³
Elastic section modulus (Sy)	336.59 cm³	20.540 in³
Plastic section modulus (Zx)	448.99 cm³	27.399 in³
Plastic section modulus (Zy)	448.99 cm³	27.399 in³
Radius of gyration (rx)	7.39 cm	2.909 in
Radius of gyration (ry)	7.39 cm	2.909 in